Telephone exchange system



Feb. 7, 1933. w.- B. STRICKLER TLPHONE EXCHANGE SYSTEM Fi led Nov. 5, 1931 34 Sheets-heet 2 NVN Feb. 7, 1933. w. B STRICKLER TELEPHONE EXCHANGE SYSTM Fiied Nov. 5{ 1931 34 Sheets-Sheet 2:

Feb: 7, 1933. w. B. STRICKLER I 6,7

TLPHONE EXCHANGE SYSTEM Fi1ed Nv. 5, 1951 34:Sheets-Sheet 4 HI IHII mnu FIG. 4

INVENTR W.B.STRIKLER By A TTORNE Y Feb 5 1933. w. B. STRICKLER -1,896,757

TLPHONE EXCHANGE SYSTEM Filed Nov. 5, 1931 34 Sheets-Sheet 5 /NV1 EN TOP W. 5. S/Q/CKLER BY A T TOP/V5 Y 34 Sheets-Shet 6 W. E. STRICKLER TLPHONE EXCHANGE SYSTEM Filed Nov. 5, 1931 Feb. 7, 1933.

Feb. 7, 1933.

w. B. STRICKLER TELEPHONE EXCHANGE SYSTEM Filed Nov. 5, 19.31

34 Sheets-Sheet 7 Feb 1933. w. B. STRICKLER ,7

TLPHONE EXCHANGE SYSTEM Fi1ed Nov. 5, 1951 54 Sheets-Sheet 8 Feb. 7, 1933. w. B. STRCKLER ,7

TLPHONE XCHANGE SYSTEM I Filed Nov. 5, 1931 54 Sheets-Sheet 9 Fil.ed Nov. 1951 34 Sheets-Sheet 10 QQQx INVE N TOI? .8. 5 7R/CKLE R W 9 Uxb ATTORNEY Feb. 7, 1933. w.B. STRICKLER TLPHONE EXCHANGE SYSTEM Fild Nov. 5, 1931 34 Sheets-Sheet 11 A T TOfPNE Y Feb 7, 1933. w 13, sTR1CKLER 1,896,757

TLPHONE EXCHANGE SYSIEM Fild Nov. 5, 1951 34 Sheets-Sheet 12 W.B.S7R/KLER BY A 7' TORNE Y Feb 7, 1933. W. E. STRICKLER TELEPHONE EXCHANGE SYSTEM Filed NV. 5, 1931 54 SheetsSheet 13 Feb 1933. w. B. STRICKLER 1,896,757

TLPHONE EXCHANGE SYSTEM Filed Nov. 5, 1931 34 Sheets-Sheet 14 /N VE N TOI? W.B.STRIC KLER W A 7'TORNE Feb 7, 1933. w. B. STRICKLER ,7

TLPHONE EXCHANGE SYSTEM Filed Nov. 5, 1931 34 Sheets-Sheet 15 /N VE N TOI? Feb 7, 1933. W. E. STRICKLER 1,895,757

TLPHONE EXCHANGE SYSTEM Filed Nov. 5, 1931 54 Sheets-Sheet 16 Fb 7, 1933. W. E. STRICKLER TELEPHONE EXCHANGE SYSTEM 34 Sheets-Shet l 7 Filed Nov. 5, 1951 ONNx . h+0 VD..Q mi

Feb. 7, 1933. w. B. STRICKLER TLPHONE EXCHANGE SYSTEM Filed Nov. 5, 1931 V 34 Shats-Sheet 18 ONQ INVEN7OR W.B.SR/CKLER 6?6.M

A TTORNEY Feb 7, 1933.

W. B. STRICKLER TELEPHONE EXCHANGE SYSTEM Filed Nov. 5, 1931 34 Sheets-Sheet 19 W. B. STRICKLER TELEPHONE EXCHANGE SYSTEM Filed Nov. 5, 1951 34 Sheets-Sheet 20 A T TOP/V5) Feb 7, 1933.

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